4) Connect the adapter to the Cradle, and plug the other end into an electrical outlet.
The status of the mobile computer charging is shown on the device itself, while the LED
indicator on RK25 Charging & Communication Cradle shows the status of battery charging
as below:
Note:
(1) Not Charging could be the result of battery damage, battery’s failure to touch the
connector, or AC plug coming off.
(2) Charging error could be due to high battery temperature.
(3) The micro USB cable must be removed before inserting the device onto the cradle.